Ex Libris Lookup

Ex Libris Lookup is the essential companion for book lovers, librarians, and serious readers. Instantly search any title or author to retrieve Dewey Decimal Classification numbers, ISBNs, and publisher details — all powered by the Open Library database. Whether you're cataloguing a personal collection, helping a patron find a shelf location, or tracking down an edition for purchase, Ex Libris puts the information you need in your pocket. Save books to your personal library for quick offline reference. Supports physical books, e-books, and audiobooks. No account required, no data collected — just fast, reliable book lookup, beautifully designed for iPhone.